- Score on the Child-Pugh scale ranged from 5 to 6 (mild hepatic insufficiency); from 7 to 9 (moderate hepatic insufficiency); from 10 to 15 (severe hepatic insufficiency). Moderate and Severe participants must have had a 50% score of 2 or higher on at least one of the laboratory parameters (i.e., albumin, prothrombin time, bilirubin) at the prestudy visit.